题目

 (1)若要证明Fe、Cu、Ag三种金属的活动性顺序， 只需选用Fe、Ag和X溶液三种试剂，X是________________________________ 溶液，能发生反应的化学方程式是____________________________________ __________________________________________________________________。 (2)在Cu(NO3)2和AgNO3的混合溶液中不断加入锌粉，则a、b、c、d四个点对应的溶液中溶质的成分不正确的是______。 A．a点对应溶液中溶质的成分为Cu(NO3)2和AgNO3 B．b点对应溶液中溶质的成分为Cu(NO3)2、AgNO3和Zn(NO3)2 C．c点对应溶液中溶质的 　　A woman saw three old men sitting in her front yard．She said, “I don’t think I know you, but you must be very hungry．Please come in and have something to eat．” 　　“We don’t go into a house together, ”they replied． 　　“Why is that?” she asked． 　　One of the old men answered．“His name is Wealth, this is Success, and I am Love．” Then he said, “Now go in and discuss with your family which one of us you want in your house．” 　　Then the woman went in and told her family what was said．She said “Let’s invite Wealth．Let him come in and bring us nice things．We have been so poor．” His husband disagreed, “My dear, why don't we invite Success?Don’t you want me to be a successful man?" Then the daughter asked, “Would it be better to invite Love?Our life will then be filled with love!" “Let’s take our daughter's advice(建议)，"said the father and mother． 　　So the woman went out and asked, “Which one of you is Love?Please come in and be our guest．”Love got up and started walking toward the house．The other two also got up and followed him．Surprised, the lady asked Wealth and Success, “I only invited Love．Why are you coming along?” The two old men answered, “If you had invited Wealth or Success, two of us would have stayed out, but since you have invited Love, wherever he goes, we go with him．Where there is Love, there is Wealth and Success．” (1) This is a true story that happened a long time ago． (　　) (2) Wealth could make the family very rich． (　　) (3) The family had different ideas and didn't know whom to invite． (　　) (4) The three old men all went into the house to get something to eat． (　　) (5) The story tells us that love is the most important of all． (　　)